., Denbigh, Denbighshire, Wales

Map of River Clwyd location

The River Clwyd is a river in north Wales. It rises in the Clocaenog forest five miles north west of Corwen. It flows due south until at Melin-y-Wig it veers northeastwards, to Ruthin. Here it leaves the relatively narrow valley and enters a broad agricultural valley and is joined just south of Denbigh by the River Clywedog. This substantial tributary also has its source in the Clocaenog forest but drains out to the east and north of the forest and passes through Cyffylliog, Bontuchel and Rhewl before its joins to the main river. Then the Clwyd meanders northwards through the Clwyd valley to St Asaph. Two miles north of St Asaph, the river is joined by a tributary as large as the main river, the River Elwy. The River Elwy has its source a long way to the west on the flanks of Moel Seisiog south-east of Llanrwst. It also has a tributary the River Aled with its source in the upland lake Llyn Aled. The Elwy flows eastwards to join the Clwyd. At the confluence of the Elwy and the Clwyd, the river becomes tidal and enters the Irish Sea at Rhyl.....

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